Inventor

VANNROX ROBERT S

US3 patents

⚠️ This page may combine multiple inventors who share the name “VANNROX ROBERT S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GROTE INDUSTRIES INC

1 patent

US5694112ADec 2, 1997

Solid state rotary apparent beacon

GROTE INDUSTRIES INC129 citations93

HOLMES GROUP

1 patent

US6308939B2Oct 30, 2001

Humidifier with wick change indicator

HOLMES GROUP13 citations71

HOLMES PRODUCTS CORP

1 patent

US6237899B1May 29, 2001

Humidifier with wick change indicator

HOLMES PRODUCTS CORP13 citations71